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K23a1 Build

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Old 07-15-2017, 12:01 PM   #1401
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hi, kenB
I was thinking about putting 06 tsx cam, but put the bc stage2 turbo. Now I have vtec point very high, 7000rpm vs 06 tsx 6000rpm better for 7600rpm revlimit. I plan to go for 8000rpm but I risk because I'm stock down.
BC's are good, I just wanted to go with the best stock cam out there personally.
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Old 07-24-2017, 09:32 PM   #1402
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BC's are good, I just wanted to go with the best stock cam out there personally.
Good, 06 tsx is excellent, I m planning go for 06 tsx too, for vtec point or check if my tuning was wrong way...
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Old 07-25-2017, 08:30 AM   #1403
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Good, 06 tsx is excellent, I m planning go for 06 tsx too, for vtec point or check if my tuning was wrong way...
Yeah, from what I've read those are about the same if not more aggressive than the type R cam.
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Old 07-25-2017, 08:34 PM   #1404
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Yeah, from what I've read those are about the same if not more aggressive than the type R cam.
06 tsx More power than type r, big difference in no vtec lobe, little in vtec lobe.
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Old 07-28-2017, 11:43 PM   #1405
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Slowly but surely!
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Old 07-30-2017, 10:24 PM   #1406
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I got a little more done tonight. Crower valve looks hardly used. I will try to compare the three different cams tomorrow.
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Old 07-31-2017, 10:36 PM   #1407
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Well, I got a little bit more done tonight. I'm so glad the RDX has a tall engine bay, it made pulling the head off quite easy. There is no need to remove the head studs. I have to say this K20a head looks pretty darn sexy on the k23a1 block! I hope to be done soon, but I did find some gaskets that needed to be replaced. I forgot this thing has over a 160k miles on it.
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Old 08-01-2017, 07:31 PM   #1408
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Well, I got a little bit more done tonight. I'm so glad the RDX has a tall engine bay, it made pulling the head off quite easy. There is no need to remove the head studs. I have to say this K20a head looks pretty darn sexy on the k23a1 block! I hope to be done soon, but I did find some gaskets that needed to be replaced. I forgot this thing has over a 160k miles on it.
Here we go, welcome, more picture about all work, good luck... :-)
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Old 08-04-2017, 10:52 AM   #1409
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Looks great!! makes me want to start over again.. im surprised you didn't add a brace for the floating deck.,. like this one http://i8.photobucket.com/albums/a50...y/IMG_1672.jpg
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Old 08-04-2017, 02:10 PM   #1410
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Looks great!! makes me want to start over again.. im surprised you didn't add a brace for the floating deck.,. like this one http://i8.photobucket.com/albums/a50...y/IMG_1672.jpg
I did some research on those, and read that they could do more harm than good. And a lot of K20 guys don't even run them, they just run the stock block. Apparently the K20 block is pretty Beefy from the factory, and I would assume the k23a1 block is stronger since it's boosted from the factory.
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Old 08-04-2017, 08:32 PM   #1411
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I'm such a parts slut.....
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Old 08-11-2017, 12:39 AM   #1412
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We finished a little more tonight! Oh yeah, the K20a cylinder head chambers are not as deep as the K23a. My new compression ratio will be some where in 9:1 range.
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Old 08-11-2017, 04:14 PM   #1413
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Higher flowing head, slightest higher compression ratio, high revving.... I can't wait to see what comes next.

All these pictures are like car porn for us car fanatics. Lol

I noticed you guys left the engine while removing the timing chain. Surprised how much room there is to work with.

I'm so excited, cant wait to see. Keep us posted!
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Old 08-11-2017, 11:25 PM   #1414
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Higher flowing head, slightest higher compression ratio, high revving.... I can't wait to see what comes next.

All these pictures are like car porn for us car fanatics. Lol

I noticed you guys left the engine while removing the timing chain. Surprised how much room there is to work with.

I'm so excited, cant wait to see. Keep us posted!
My mechanic did say i should notice a difference in power out of boost, due to the increase in compression. I'll keep the pics coming!
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Old 08-11-2017, 11:42 PM   #1415
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Ok, we got the valve adjustment done. The turbo manifold is tight and snug. Now just waiting on my radiator hose to get here. Tracking says it will be here tuesday. My mechanic did mention one thing, "after a 1000k miles or 1609.34 kilometers" we need to do another valve adjustment.
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Old 08-11-2017, 11:57 PM   #1416
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Found a stopping point. Oh yeah, have to get some RSX spark plugs. The RDX ones do not fit.
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Old 08-12-2017, 05:06 PM   #1417
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RSX on the left and RDX on the right. You can clearly see the RDX must have a deeper cylinder chamber to hold that long spark plug. I'm digging the girth of that RSX spark plug!
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Old 08-13-2017, 07:02 PM   #1418
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Had to trim some of the RBC intake manifold in order to fit against the PRB water neck. I guess i didn't trim enough the first time. I should have a first start video soon!
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Old 08-13-2017, 11:22 PM   #1419
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If it's too hot, go low low!
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Old 08-14-2017, 02:31 PM   #1420
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Never thought I'd look at an engine and think "sexy". Thanks for the new pix!
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Old 08-14-2017, 06:56 PM   #1421
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Had to trim some of the RBC intake manifold in order to fit against the PRB water neck. I guess i didn't trim enough the first time. I should have a first start video soon!
I used tsx head (or 06 si head) with side neck for this and used rsx spark too. all look beautiful, excellent work kenb. Waiting for first start.
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Old 08-14-2017, 07:00 PM   #1422
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throttle body touch water neck?, or just replace some plugs?
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Old 08-18-2017, 11:37 AM   #1423
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Never thought I'd look at an engine and think "sexy". Thanks for the new pix!
Thanks for the kind words! Should have it together soon!
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Old 08-18-2017, 11:41 AM   #1424
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throttle body touch water neck?, or just replace some plugs?


You know, when you have to cut off the water neck in order for it to fit a K20 head or RWC.
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